Pith Number

pith:7YHMKN4J

pith:2015:7YHMKN4JXU2WUFFST6VGVL2CMF

not attested not anchored not stored refs pending

A new massive double-lined spectroscopic binary system: The Wolf-Rayet star WR 68a

2), (2) Facultad de Ciencias Exactas, (3) Instituto de Astrof\'isica de La Plata, (4) Departamento de F\'isica y Astronom\'ia, (5) Las Campanas Observatory, A. Collado (1, Argentina, Carnegie Observatories, Chile, Chile), CONICET, de la Tierra y del Espacio (ICATE-CONICET), Facultad de Ciencias Astron\'omicas y Geof\'isicas, F\'isicas y Naturales, La Serena, N. Morrell (5) ((1) Instituto de Ciencias Astron\'omicas, R. Gamen (3), R. H. Barb\'a (4), San Juan, Universidad de La Serena, Universidad Nacional de La Plata, Universidad Nacional de San Juan

arxiv:1509.07192 v1 · 2015-09-24 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7YHMKN4JXU2WUFFST6VGVL2CMF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:32:09.687124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe0ec53789bd356a14b29faa6aaf42615d2fef4f8a0aea19febce3f662c47774

Aliases

arxiv: 1509.07192 · arxiv_version: 1509.07192v1 · doi: 10.48550/arxiv.1509.07192 · pith_short_12: 7YHMKN4JXU2W · pith_short_16: 7YHMKN4JXU2WUFFS · pith_short_8: 7YHMKN4J

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7YHMKN4JXU2WUFFST6VGVL2CMF \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: fe0ec53789bd356a14b29faa6aaf42615d2fef4f8a0aea19febce3f662c47774

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40bb91fae3f9cadb6cae07aa50a83cb4e1d9f7b0f9bcab4d935553397c958a84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-24T00:55:05Z",
    "title_canon_sha256": "33e12475dbb676d77862d3df4d865edeeef03e9dcec6c775d798423b07e0fc0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07192",
    "kind": "arxiv",
    "version": 1
  }
}